* {
  margin: 0;
  padding: 0;
  -webkit-box-sizing: border-box;
  font-size: 12px;
  color: #000;
}
body,
ul,
li,
h5,
p {
  padding: 0;
  margin: 0;
  font-family: "Microsoft YaHei", Helvetica;
}
body,
html,
.con {
  width: 100%;
  height: 100%;
  position: relative;
  background: #f5f5f5;
}
em,
i,
b,
a {
  font-style: normal;
}
li {
  list-style: none;
  display: block;
}
.mini-layout {
  margin-bottom: 20px;
}
.mini-layout-sidebar {
  width: 100%;
  height: 20px;
}
.mini-layout-body {
  height: 20px;
  font-size: 12px;
  margin: 0 auto;
}
.content {
  width: 100%;
  height: 150px;
}
.content .marking_con {
  width: 100%;
}
.content .marking_con p {
  margin: 20px 25px;
}
.content .marking_con img {
  text-align: center;
  width: 240px;
  height: 205px;
}
/* 大屏幕 */
body {
  text-align: center;
  width: 100%;
}
@media screen and (min-width: 1076px) {
  body {
    background: #f5f8fa !important;
  }
  .content p {
    margin: 20px 25px;
  }
  .root_c {
    width: 1000px;
    margin: auto;
    border: 1px solid #ccc;
    height: 861px;
    background: #fff !important;
  }
  .div_form {
    text-align: center;
  }
  .div_form .form {
    height: 100px;
    margin: 0 auto;
    padding: 10px;
  }
  .div_form .form input {
    height: 30px!important;
    position: relative!important;
    top: 4px!important;
  }
  .div_form .form span {
    color: red;
    margin-left: -16%;
  }
  .div_form .form label {
    display: inline-block;
  }
}
/* 平板电脑和小屏电脑之间的分辨率 */
@media screen and (min-width: 768px) and (max-width: 979px) {
  .div_form {
    text-align: center;
  }
  .div_form .form {
    height: 100px;
    margin: 0 auto;
    padding: 10px;
  }
  .div_form .form div {
    border-bottom: 1px solid #ccc;
    height: 46px;
  }
  .div_form .form input {
    height: 30px;
    position: relative;
    top: 4px;
    width: 88%;
    border: none;
  }
  .div_form .form span {
    color: red;
    margin-left: -16%;
  }
  .div_form .form label {
    display: inline-block;
  }
  .div_form .form button {
    width: 100%;
    margin-top: 20px;
  }
}
/* 横向放置的手机和竖向放置的平板之间的分辨率 */
@media screen and (max-width: 767px) {
  .div_form {
    text-align: center;
  }
  .div_form .form {
    height: 100px;
    margin: 0 auto;
    padding: 10px;
  }
  .div_form .form div {
    border-bottom: 1px solid #ccc;
    height: 46px;
  }
  .div_form .form input {
    height: 30px;
    position: relative;
    top: 4px;
    width: 88%;
    border: none;
  }
  .div_form .form span {
    color: red;
    margin-left: -16%;
  }
  .div_form .form label {
    display: inline-block;
  }
  .div_form .form button {
    width: 100%;
    margin-top: 20px;
  }
}
/* 横向放置的手机及分辨率更小的设备 */
@media screen and (max-width: 480px) {
  .div_form {
    text-align: center;
  }
  .div_form .form {
    height: 100px;
    margin: 0 auto;
    padding: 10px;
  }
  .div_form .form div {
    border-bottom: 1px solid #ccc;
    height: 46px;
  }
  .div_form .form input {
    height: 30px;
    position: relative;
    top: 4px;
    width: 88%;
    border: none;
  }
  .div_form .form span {
    color: red;
    margin-left: -16%;
  }
  .div_form .form label {
    display: inline-block;
  }
  .div_form .form button {
    width: 100%;
    margin-top: 20px;
  }
}
